Ancient Roman helmet sells for 10 times estimated amount

A detailed and well-preserved Roman parade helmet -- complete with fine facial features on its face mask, tight curly hair, and a griffin-topped cap -- sold at auction Thursday for 10 times its estimated amount.

The helmet sold at Christie's auction house in London for 2.28 million pounds ($3.6 million). It had been estimated at 200,000 to 300,000 pounds (about $316,000 to $475,000).

The buyer of the helmet was not immediately known.

The Tullie House Museum in Carlisle, near where the helmet was found in May by a person with a metal detector, had launched a public fundraising appeal to try to procure the helmet as the centerpiece for a new Roman gallery....